Home / 4,920.35-7,385.38-3,362.72

Finding the Fourth Proportional to 4,920.35, 7,385.38 and 3,362.72

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Solution

The fourth proportional to 4,920.35, 7,385.38 and 3,362.72 is: 5,047.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.35 : 7,385.38 = 3,362.72 : x
  2. Step 2: Convert to fraction form
    4,920.35/7,385.38 = 3,362.72/x
  3. Step 3: Cross multiply
    4,920.35x = 7,385.38 × 3,362.72
  4. Step 4: Simplify right side
    4,920.35x = 24,834,919.70
  5. Step 5: Solve for x
    x = 24,834,919.70/4,920.35
  6. Step 6: Final answer
    x = 5,047.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.